even if one says

mystical bird

tradition / legend / folklore

entrance in a performance / appearance in a scene or situation; arrival

appear in a performance, for a character to enter / enter the scene, arrive

(archaic) antique, old-fashioned / (colloquial) ancient

ancient times, antiquity, remote ages

to say, to tell somebody / to call, to name, to give a name / to cry, to call, to make a noise (such as an animal)

past tense and perfective aspect of 言う (iu, yū) [godan]

nonetheless, although, be that as it may